ASK stands uniquely suited to meet the demands of customers with a particular focus on quality and operational expertise. Our well-known partners provide highly customized solutions to our customers' most complex challenges based on combining deep technical expertise with the ability to understand, anticipate and quickly respond to customers' needs.

MICRODYN-NADIR is the technology leading membrane and module supplier for the micro-, ultra- and nano-filtration worldwide. The membrane division of the former Hoechst AG which used to be known as NADIR Filtration was founded in 1966. In 2003, NADIR Filtration and MICRODYN Modulbau, whose roots go back to the AKZO AG, merged and have been an important player in the membrane market as MICRODYN-NADIR ever since.

Founded in 1996, Huangshan RSPManufacturing Co., Ltd. is a national high-tech enterprise specialized in R&D, manufacturing, sales and service of screw pumps with annual sales revenue of 105 million RMB and over 210 employees in 2012. It has also created the professional screw pump brand as “RSP”.